Last updated: March 19, 2025
In May, Dehiwala-Mount Lavinia experiences warm and humid weather, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 32°C (90°F), combining to yield an average temperature of 28°C (83°F). The month is characterized by significant rainfall, accumulating 302 mm (11.9 inches) over approximately 29 days, resulting in a humidity level of 76%. This combination of warmth and moisture creates a vibrant atmosphere, making it a lush time for the region, yet maximizing the chance of afternoon showers that are typical for the season.
In May, Dehiwala-Mount Lavinia continues to bask in warm tropical temperatures. The minimum temperature hovers around 25°C (78°F), providing a comfortable start to the day, while the average temperature remains steady at 28°C (83°F), making it a pleasant month for outdoor activities. With a maximum temperature peaking at 32°C (90°F), the heat is often felt during midday, yet it's slightly cooler than in the preceding months. This trend of stable warmth is characteristic of the region, as May transitions gently towards the rainy season, offering a taste of the tropical climate that Sri Lanka is celebrated for. As the month progresses, the humidity begins to rise, adding an extra layer of the sultry atmosphere that defines this vibrant coastal area.
In May, Dehiwala-Mount Lavinia experiences a dramatic surge in rainfall, with an impressive 302 mm (11.9 inches) of precipitation over 29 days. This significant increase marks a peak in the wet season, following the steady rise from 133 mm in April. May's abundant rainfall not only contributes to the lush greenery of the region but also signals the onset of the monsoon, as the city transitions into a period where heavy downpours prevail. This trend is mirrored in the subsequent month, June, which also boasts substantial rainfall, albeit slightly less at 269 mm. The consistent pattern of rain continues into the following months, making May a pivotal month in the annual climatic cycle of Dehiwala-Mount Lavinia.
In May, Dehiwala-Mount Lavinia experiences a humidity level of 76%, marking a slight increase from the drier conditions of January through April. This trend indicates the onset of the monsoon season, as humidity typically begins to rise in late spring, bringing about a noticeable shift in the atmosphere. As the temperatures warm, the surrounding environment becomes increasingly humid, setting the stage for a sultry June and July, where levels soar to an average of 82%. Over the next few months, humidity remains consistently high, peaking at 83% in August before gradually declining towards the end of the year. This cyclical pattern highlights the tropical climate's seasonal shifts, influencing both daily life and natural surroundings in this vibrant region of Sri Lanka.
In May, Dehiwala-Mount Lavinia, Sri Lanka experiences an extreme UV Index of 14, maintaining a high level of sun intensity akin to previous months. This trend highlights a consistent pattern, with the UV Index peaking in April at 15 but remaining dangerously high through May and into the summer. With a swift burn time of just 10 minutes, it's crucial for residents and visitors to take necessary precautions, including using sunscreen and wearing protective clothing. The persistent extreme levels underscore the importance of sun safety during this time. For more details on UV exposure throughout the year, visit Dehiwala-Mount Lavinia UV Index.
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May in Dehiwala-Mount Lavinia, Sri Lanka, shines with 314 hours of sunshine, offering a delightful prelude to the upcoming monsoon. The month maintains a solid position within the sunshine spectrum, closely following the vibrant month of March, which boasts the highest average of 336 hours. As one of the sunnier months, May continues the trend set by preceding months, reflecting a slight dip from April’s impressive 334 hours, yet still shines brighter than the later months of the year. This period serves as a golden opportunity for outdoor enthusiasts and travelers to bask in the warmth before the rainfall begins to foster the lush landscapes that make this coastal region so enchanting.
In Dehiwala-Mount Lavinia, Sri Lanka, May stands out as one of the months with a notably lower chance of sunny weather, with only a 16% likelihood of sunshine. This is a significant dip compared to the preceding months such as February, which boasts a 51% chance, and April, at 45%. The trend reveals that May often transitions into the more overcast and rainy weather patterns typical of the approaching monsoon season, as reflected by the similar low percentages in June and July. Thus, while some months promise bright, sunlit days, May tends to be a period where cloud cover prevails, setting the stage for the lush landscapes that Sri Lanka is known for.
In Dehiwala-Mount Lavinia, Sri Lanka, the daylight duration exhibits a gentle ebb and flow throughout the year, reflecting the region's tropical climate. From January to February, residents bask in consistent 11 hours of daylight, while the onset of March brings a slight increase to 12 hours. This trend continues as the daylight remains stable at 12 hours from April all the way through September, offering ample time for outdoor activities and enjoying the sun. As the year progresses, a gradual decline begins in October, reverting to 11 hours in the final months of the year, reminiscent of the earlier months. This cyclical pattern underscores the predictability of daylight in this coastal haven, allowing both locals and visitors to plan their days around the reassuring rhythm of sunlight.
In Dehiwala-Mount Lavinia, Sri Lanka, the winds of May bring a refreshing boost, with an average speed of 4.5 m/s (10 mph), marking a noticeable increase from the previous month. This uptick in wind intensity signals a shift in the seasonal patterns, as June follows closely with even stronger gusts averaging 5.3 m/s (12 mph). The trend from April to June showcases a steady rise in wind speeds, creating ideal conditions for outdoor activities and watersports. As the dry season unfolds, May stands out as a transitional period, bridging the calmer spring breezes and the invigorating winds that grace the region in the months to come. With such breezy delights, May invites both residents and visitors to embrace the outdoors, making it a delightful time to enjoy the coastal charm of this vibrant locale.
The weather in Dehiwala-Mount Lavinia changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Dehiwala-Mount Lavinia and find detailed weather information for every month.
When comparing the weather in May and January, we can observe some notable differences. May tends to be warmer, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 32°C (90°F), while January has slightly cooler temperatures, with a minimum of 22°C (73°F) and a maximum of 32°C (91°F). Additionally, May experiences significantly more rainfall, totaling 302 mm (11.9 in) over 29 days, compared to January's 59 mm (2.3 in) spread across just 7 days. Both months maintain a similar level of humidity, with May at 76% and January at 77%. For more detailed weather insights, you can visit Dehiwala-Mount Lavinia weather in January.
In comparing the weather of May and February, it becomes clear that both months have similar average temperatures, with May averaging 28°C (83°F) and February also at 28°C (82°F). However, February features slightly cooler minimum temperatures at 23°C (73°F), while May starts at a minimum of 25°C (78°F). Notably, May experiences significantly higher precipitation, with 302 mm (11.9 in) over 29 days, compared to February's 58 mm (2.3 in) across just 10 days. Additionally, humidity levels are slightly higher in May at 76%, while February maintains a lower humidity of 73%. For more detailed insights into February's weather, you can explore Dehiwala-Mount Lavinia weather in February.
In March, the weather is quite warm with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 33°C (91°F), averaging around 28°C (83°F). The month experiences 118 mm (4.6 in) of precipitation over 19 days, with humidity slightly lower at 74%. In contrast, May sees similar temperature averages but experiences higher humidity at 76%. With a minimum of 25°C (78°F) and a maximum of 32°C (90°F), May is slightly cooler overall, yet it receives significantly more rainfall, totaling 302 mm (11.9 in) across 29 days. For more detailed insights, check out the Dehiwala-Mount Lavinia weather in March.
In comparing the weather conditions of May and April, both months maintain similar temperatures, with minimums around 25°C (77-78°F) and averages consistently at 28°C (83°F). However, May experiences significantly higher precipitation, totaling 302 mm (11.9 in) over 29 days, compared to April's 133 mm (5.3 in) over 25 days. The humidity also slightly increases in May, reaching 76% as opposed to April's 74%. This shift suggests a trend towards wetter and more humid conditions as the region transitions from April to May. For more details, see Dehiwala-Mount Lavinia weather in April.
May and June share some similarities in weather, but there are notable differences. Both months feature a minimum temperature of 25°C (78°F), with May reaching a slightly higher maximum of 32°C (90°F) compared to June's 30°C (87°F). Average temperatures are comparable, with May averaging 28°C (83°F) and June at 28°C (82°F). Precipitation in May is higher at 302 mm (11.9 in) over 29 days, while June sees 269 mm (10.6 in) over 28 days, indicating a slight decrease in rainfall. Humidity also rises a bit in June to 82%, up from May's 76%. For more detailed weather insights, check out Dehiwala-Mount Lavinia weather in June.
May and July both experience warm temperatures, with minimums at 25°C (78°F) and average highs around the 28°C (82°F) mark. However, May tends to be slightly hotter, peaking at a maximum of 32°C (90°F) compared to July's maximum of 30°C (87°F). Precipitation is notably higher in May, accumulating 302 mm (11.9 in) over 29 days, whereas July sees 188 mm (7.4 in) spread over 26 days. Additionally, July has a marginally higher humidity level at 82%, while May's humidity sits at 76%. For a more detailed insight into weather patterns, you can visit Dehiwala-Mount Lavinia weather in July.
In May, the weather features warmer temperatures with minimums around 25°C (78°F), an average of 28°C (83°F), and a maximum of 32°C (90°F). This month is also characterized by significant rainfall, totaling 302 mm (11.9 in) over 29 days, and a humidity level of 76%. In contrast, August experiences slightly cooler temperatures, with minimums and maximums at the same 25°C (77°F) and 29°C (85°F) respectively, and an average of 27°C (81°F). Precipitation is lower at 205 mm (8.1 in) across 27 days, while humidity rises to 83%. For more detailed information on August weather, you can visit Dehiwala-Mount Lavinia weather in August.
The weather in May and September shows some similarities but also notable differences. In May, temperatures range from a minimum of 25°C (78°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). Conversely, September experiences slightly cooler temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). Precipitation is more pronounced in May, totaling 302 mm (11.9 in) over 29 days, compared to September's 238 mm (9.4 in) over 26 days. Moreover, September is slightly more humid, with humidity levels reaching 82% compared to May's 76%. For more detailed insights, you can visit Dehiwala-Mount Lavinia weather in September.
May and October both feature warm temperatures, with average highs of 32°C (90°F) and 30°C (86°F), respectively. However, May generally has slightly higher temperatures, while October brings a similar feel with only a 1°C difference in minimum and average temperatures. Precipitation is notably higher in October, with 343 mm (13.5 in) compared to May's 302 mm (11.9 in), and both months experience rainfall on approximately 29 days. The humidity also increases slightly in October, making it feel a bit more humid at 81% compared to May's 76%. For a detailed view of October's weather patterns, you can visit Dehiwala-Mount Lavinia weather in October.
May and November present similar weather patterns, with both months experiencing high humidity and substantial rainfall. In May, temperatures range from a minimum of 25°C (78°F) to a maximum of 32°C (90°F), averaging around 28°C (83°F). This month sees significant precipitation, totaling 302 mm (11.9 in) over 29 days. Conversely, November features slightly cooler temperatures, with a range from 24°C (75°F) to 30°C (87°F), and an average of 27°C (81°F). Like May, November also receives 302 mm (11.9 in) of rain, but over just 26 days, resulting in a marginally drier feel despite the higher humidity of 80%. For more detailed information, you can check the weather specifics at Dehiwala-Mount Lavinia weather in November.
In May, the weather is characterized by warmer temperatures, with a minimum of 25°C (78°F) and an average temperature of 28°C (83°F), peaking at a maximum of 32°C (90°F). This month experiences significant rainfall, totaling 302 mm (11.9 in) over 29 days, accompanied by a humidity level of 76%. In contrast, December offers slightly cooler conditions, with minimum temperatures at 23°C (74°F) and an average of 27°C (81°F), reaching a maximum of 31°C (89°F). The total precipitation in December is lower, at 199 mm (7.8 in) over 18 days, while humidity rises to 80%. For more details on December weather, visit Dehiwala-Mount Lavinia weather in December.
As May arrives in Dehiwala-Mount Lavinia, the weather takes on a distinctly tropical tone, setting it apart from the cooler months earlier in the year. With average temperatures reaching a balmy 28°C (83°F) and peaks soaring to 32°C (90°F), this month ushers in the warmth that defines the region. However, May also marks a notable increase in precipitation, with frequent rains contributing to a staggering 302 mm (11.9 in) of moisture across nearly 29 days. High humidity levels of 76% add to the sultry atmosphere, making for a rich, vibrant landscape. For those intrigued by the intricacies of the local climate, further insights can be found at Dehiwala-Mount Lavinia Climate.